max31875.h

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/***************************************************************************/
#ifndef __MAX31875_H__
#define __MAX31875_H__
 
/******************************************************************************/
/***************************** Include Files **********************************/
/******************************************************************************/
 
#include <stdint.h>
#include "no_os_i2c.h"
#include "no_os_util.h"
 
/******************************************************************************/
/************************** MAX31875 Definitions ******************************/
/******************************************************************************/
 
#define MAX31875_TEMPERATURE_REG    0x0
#define MAX31875_CONFIGURATION_REG  0x1
#define MAX31875_THYST_REG      0x2
#define MAX31875_TOS_REG        0x3
 
#define MAX31875_OVER_TEMP_STATUS_MASK  NO_OS_BIT(15)
#define MAX31875_FAULT_QUEUE_MASK   NO_OS_GENMASK(12, 11)
#define MAX31875_COMP_INT_MASK      NO_OS_BIT(9)
#define MAX31875_SHUTDOWN_MASK      NO_OS_BIT(8)
#define MAX31875_DATA_FORMAT_MASK   NO_OS_BIT(7)
#define MAX31875_RESOLUTION_MASK    NO_OS_GENMASK(6, 5)
#define MAX31875_TIMEOUT_MASK       NO_OS_BIT(4)
#define MAX31875_PEC_MASK       NO_OS_BIT(3)
#define MAX31875_CONVERSION_RATE_MASK   NO_OS_GENMASK(2, 1)
#define MAX31875_ONESHOT_MASK       NO_OS_BIT(0)
 
/******************************************************************************/
/*************************** Types Declarations *******************************/
/******************************************************************************/
 
enum max31875_i2c_addr {
    MAX31875R0 = 0x48,
    MAX31875R1 = 0x49,
    MAX31875R2 = 0x4A,
    MAX31875R3 = 0x4B,
    MAX31875R4 = 0x4C,
    MAX31875R5 = 0x4D,
    MAX31875R6 = 0x4E,
    MAX31875R7 = 0x4F
};
 
struct max31875_dev {
    /* I2C */
    struct no_os_i2c_desc *i2c_desc;
};
 
struct max31875_init_param {
    /* I2C */
    struct no_os_i2c_init_param i2c_init;
};
 
/******************************************************************************/
/************************ Functions Declarations ******************************/
/******************************************************************************/
 
int32_t max31875_reg_read(struct max31875_dev *dev,
              uint32_t reg,
              uint32_t *readval);
 
int32_t max31875_reg_write(struct max31875_dev *dev,
               uint32_t reg,
               uint32_t writeval);
 
int32_t max31875_reg_write_mask(struct max31875_dev *dev,
                uint32_t reg,
                uint32_t val,
                uint32_t mask);
 
int32_t max31875_init(struct max31875_dev **device,
              struct max31875_init_param *init_param);
 
int32_t max31875_remove(struct max31875_dev *dev);
 
#endif  /* __MAX31875_H__ */